Species Streptomyces canescens

Name: Streptomyces canescens Waksman 1957 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: ca.nes’cens. L. masc. part. adj. canescens, growing white, whiten

Pronunciation (Latin), gender: … ka-NES-kens, masculine

Type strain: ATCC 19736; BCRC 12206; CBS 474.68; CCRC 12206; CGMCC 4.1681; DSM 40001; IFO 12751; IMET 43077; JCM 4196; JCM 4568; NBRC 12751; NRRL 2419; NRRL ISP-5001; RIA 1016; UNIQEM 124; VKM Ac-732

16S rRNA gene: AB184117 Analyse FASTA

Effective publication: Waksman SA. Family III. Steptomycetaceae Waksman and Henrici. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co, Baltimore, 1957, p. 744-825.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Streptomyces albidoflavus (Rossi Doria 1891) Waksman and Henrici 1948 (Approved Lists 1980)

Risk group: 1

Synonyms:

Name	Kind
"Streptotrix albidoflava" Rossi Doria 1891	heterotypic synonym, not validly published, basonym of name in Approved Lists
"Streptothrix coelicolor" Müller 1908	heterotypic synonym, not validly published, basonym of name in Approved Lists
Streptomyces coelicolor (Müller 1908) Waksman and Henrici 1948 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
Streptomyces limosus Lindenbein 1952 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
Streptomyces odorifer (Rullmann 1895) Waksman 1953 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
Streptomyces globisporus subsp. caucasicus (Kudrina 1957) Pridham et al. 1958 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP, distinct rank
Streptomyces sampsonii (Millard and Burr 1926) Waksman 1953 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
Streptomyces felleus Lindenbein 1952 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
Streptomyces albidoflavus (Rossi Doria 1891) Waksman and Henrici 1948 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
"Actinomyces globisporus subsp. caucasicus" Kudrina 1957	heterotypic synonym, not validly published, basonym of name in Approved Lists, distinct rank
"Actinomyces sampsonii" Millard and Burr 1926	heterotypic synonym, not validly published, basonym of name in Approved Lists
Streptomyces champavatii Uma and Narasimha Rao 1959 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
"Cladothrix odorifera" Rullmann 1895	heterotypic synonym, not validly published, basonym of name in Approved Lists
Streptomyces griseus subsp. solvifaciens Pridham 1970 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP, distinct rank

Notes:
- ⏲ According to Rong et al. (2009), this species is a later heterotypic synonym of "Streptotrix albidoflava" Rossi Doria 1891. Publication: Rong X, Guo Y, Huang Y. Proposal to reclassify the Streptomyces albidoflavus clade on the basis of multilocus sequence analysis and DNA-DNA hybridization, and taxonomic elucidation of Streptomyces griseus subsp. solvifaciens. Syst Appl Microbiol 2009; 32:314-322. 🇨🇳
- ⏲ According to Rong et al. (2009), this species is a later heterotypic synonym of Streptomyces albidoflavus (Rossi Doria 1891) Waksman and Henrici 1948 (Approved Lists 1980). Publication: Rong X, Guo Y, Huang Y. Proposal to reclassify the Streptomyces albidoflavus clade on the basis of multilocus sequence analysis and DNA-DNA hybridization, and taxonomic elucidation of Streptomyces griseus subsp. solvifaciens. Syst Appl Microbiol 2009; 32:314-322. 🇨🇳
- ❗ Streptomyces canescens is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Streptomyces.
- 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
- 🎓 Name mentioned 1 time in PubMed until 2025-06-04.
- 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Streptomyces Waksman and Henrici 1943 (Approved Lists 1980)

Assigned by: Waksman SA. Family III. Steptomycetaceae Waksman and Henrici. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co, Baltimore, 1957, p. 744-825.

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Record number: 781517

This LPSN page was printed on 2026-03-13 04:47:44

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Species Streptomyces canescens